package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {


    /**
     * 根据用户id删除购物车数据
     * @param userId
     */
    @Delete("delete  from  shopping_cart where user_id =#{userId}")
    static void deleteByUserId(Long userId) {

    }

    List<ShoppingCart> list (ShoppingCart shoppingCart);

    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void updateNuberById(ShoppingCart shoppingCart);

    //插入购物车数据
    @Insert("insert into shopping_cart (name, image, user_id, dish_id, setmeal_id, dish_flavor, amount, create_time,number)"+
            "values(#{name},#{image},#{userId}#{dishId},#{setmealId}#{dishflavor},#{amount}#{createTime},#{number})")
    void insert(ShoppingCart shoppingCart);
}
